Experimental host-parasite relationship studies with Oesophagostomum columbianum in sheep. I. Attempts to establish infection by different routes.
D000818:Animals; D007274:Injections, Intraperitoneal; D007279:Injections, Subcutaneous; D007411:Intestinal Diseases, Parasitic / Q000276:immunology / Q000662:veterinary*; D008297:Male; D009814:Oesophagostomiasis / Q000276:immunology / Q000662:veterinary*; D012756:Sheep; D012757:Sheep Diseases / Q000276:immunology*